Sony VGN-A160 VAIO User Guide (primary manual) User Manual page 270

What do I do if the pointer doesn't move when I use the mouse?

Make sure another mouse is not installed.
 If you are playing a disc, press the Ctrl+Alt+Delete keys simultaneously to stop playback and restart the computer.
 If you still cannot use the pointer, restart the computer. You can restart the computer three different ways:

Press the Windows key

Press the Ctrl+Alt+Delete keys simultaneously. When the Windows Task Manager window appears, press the Alt
key to highlight the menu bar, and press the Right Arrow key
R.

Press and hold the power button. When the computer turns off, press the power button again to restart the
computer.
If you are using a wireless optical mouse:
 Confirm that the supplied AA batteries are properly installed.
 Press the CONNECT button on the mouse and the computer to reestablish the connection between the two
devices.
 Verify the infrared receiver on the computer's front panel is free of obstructions that may prevent proper operation.
 Avoid using radio-controlled toys or equipment, CB radios, and other wireless devices in the area near your wireless
mouse. These devices may cause interference, causing your mouse to stop working properly.
 Do not place metal furniture near your computer or wireless mouse, as this may create interference, causing your
mouse to stop working properly.
, and press U. When the Turn Off Computer window appears, press R.
to select Shut Down. Press Enter, and then press
Page 270